“In this referendum, Amnesty Ireland and the IFPA have received over $400,000 in foreign donations. When asked to return an illegal foreign donation, Amnesty refused, and yet Minister @SimonHarrisTD is content to campaign alongside an organization that has broken the law...”

The Together for Yes campaign have dismissed those suggestions, however, and say Google’s decision creates a level playing field between all sides.

Campaign Co-Director Ailbhe Smyth, said: “We welcome confirmation today from Google that they are going to stop running political advertisements over the next 24 hours. This creates a level playing field between all sides, specifically in relation to YouTube and Google searches, who can now seek to convince the Irish electorate by the strength of their argument and power of personal testimony, not by the depth of their pockets.

“We believe this referendum will be won on facts, and now when undecided voters are searching online, they’ll see the most relevant answers to their questions - not the ones that are paid to be put in front of them.”

Taoiseach Leo Varadkar has also welcomed the announcement.

There are now just over two weeks left to the abortion referendum with voters taking to the polls on Friday, May the 25th.